Finding the Fourth Proportional to 16,399.28, 24,591.04 and 7,511.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399.28 : 24,591.04 = 7,511.86 : x
2. Step 2: Convert to fraction form
   16,399.28/24,591.04 = 7,511.86/x
3. Step 3: Cross multiply
   16,399.28x = 24,591.04 × 7,511.86
4. Step 4: Simplify right side
   16,399.28x = 184,724,461.69
5. Step 5: Solve for x
   x = 184,724,461.69/16,399.28
6. Step 6: Final answer
   x = 11,264.18